Solid-State Ion-Conducting Multiblock Terpolymers
Rui Sun, Yossef A. Elabd
TL;DR
This paper explores new polymer materials that can conduct ions efficiently by using three different chemical blocks to create better structures.
Contribution
The paper introduces multiblock terpolymers with three chemistries that enable more 3D network morphologies and higher ion conductivity.
Findings
Multiblock terpolymers show more 3D continuous network morphologies than copolymers.
They achieve higher morphology factors and electrochemical performance.
Only 12 morphologies have been observed so far, suggesting room for discovery.
Abstract
Solid-state multiblock copolymers with two distinct chemistries are well explored and reveal that three-dimensional (3D) continuous network morphologies result in the highest ion conductivities, morphology factors (normalized ion conductivity), and subsequently the highest electrochemical performance. However, these polymers exhibit a limited set of 3D morphologies over a narrow compositional range. Solid-state multiblock terpolymers with three distinct chemistries significantly enhance the accessible phase space and yield more 3D continuous network morphologies over a broader compositional range, yet they are relatively unexplored. In this perspective, solid-state ion-conducting multiblock terpolymers are reviewed, and the results highlight more observed 3D continuous network morphologies and exceptionally higher morphology factors compared to their multiblock copolymer counterparts.…
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Taxonomy
TopicsAdvanced Battery Materials and Technologies · Conducting polymers and applications · Fuel Cells and Related Materials